Aug 3, 2010 #1 R roni10 New member Joined Dec 25, 2008 Messages 3 Reaction score 0 Points 1 frequency of 475 HZ.....? what frequency would you hear as it moves away at 20 m/s? A. 421 HZ B. 506 HZ C. 448 HZ D. 455 HZ E. 475 HZ
frequency of 475 HZ.....? what frequency would you hear as it moves away at 20 m/s? A. 421 HZ B. 506 HZ C. 448 HZ D. 455 HZ E. 475 HZ